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gilgobeachslayer t1_jdzmk13 wrote

Everyone has blue blood it just turns red when it hits the air. I and everyone I went to school with believed this as a kid for some reason

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GonnaGoFar t1_je03ftg wrote

Anatomical diagrams have arteries in red and veins in blue for easy identification.

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racewest22 t1_je0nhru wrote

My health teacher told us it was blue until it hit the air. I don't think her degree was in a science, haha.

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